C# :: How To Change Subitems Back Color Programmatically

I wanted to change the Backcolor of subitem to Red, while inserting data in Listview from List<string> result. After executing the below code Data from List<string> are well placed below their respective column in listview, only their Subitem Color doesn't change.

Here my Code

//Here result is List<string>
for (int i = 0; i < result.Count; i += 5) {
ListViewItem item = new ListViewItem();
item.Text = result[i].ToString();
for (int j = i + 1; j < i + 5; j++) {
item.SubItems.Add(result[j].ToString());

[Code] ....